# CoMB vs SealSign

The clearest difference is update cadence: CoMB at fortnightly against SealSign's every 28 months. SealSign's advantage is iOS requirement (9.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CoMB ships an update fortnightly, SealSign every 28 months. The most recent releases landed on October 5, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | CoMB | SealSign |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 28 months |
| Monetization | Free | — |
| Size | 200 MB | 16 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Col·legi Oficial de Metges de Barcelona](https://appshunter.io/developer/1130895403) | [Factum Identity Solutions SL](https://appshunter.io/developer/1628978172) |

## What reviewers say

### CoMB

[App page](https://appshunter.io/ios/app/comb-metgesbarcelona/id1130895404)

This app provides a secure digital identity for medical professionals, allowing them to access college services, manage professional information, and stay updated on college activities and job opportunities. It facilitates easy appointment booking and access to the college's official magazine.

**Highlights:** Digital identity and secure transactions, Access to college news and professional information, Activity agenda and event registration, Job board and professional profile creation, Appointment booking and data modification, Access to the COMB magazine

**Features:** Vision Pro support

**In-app purchases:** none


### SealSign

[App page](https://appshunter.io/ios/app/sealsign/id1486869928)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CoMB free?

CoMB is free to download, with no in-app purchases.

### Is SealSign free?

SealSign is free to download, with no in-app purchases.

### Do CoMB or SealSign have ads?

Neither CoMB nor SealSign shows ads.

### Which is updated more often, CoMB or SealSign?

CoMB ships an update fortnightly, and SealSign every 28 months. Most recently, CoMB was updated on October 5, 2026 and SealSign on October 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*